dismount vs get on

dismount

verb
  • To (cause to) get off (something). 

  • To come down; to descend. 

  • To throw (cannon) off their carriages. 

  • To make (a mounted drive) unavailable for use. 

noun
  • The part of a routine in which the gymnast detaches from an apparatus. 

get on

verb
  • To commence (an action). 

  • To handle, cope or manage (over time); to perform or make progress. 

  • To board or mount (something), especially a vehicle. 

  • To become late. 

  • To have a good relationship; to get along. 

  • To become old. 

  • To progress (with). 

intj
  • Expresses surprise or disbelief. 

How often have the words dismount and get on occurred in a corpus of books? (source: Google Ngram Viewer )